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Small robots - Barton Robotics - NSW
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dyrodium
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Joined: 24 Aug 2004
Posts: 6476
Location: Sydney


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Nice! Better not be overweight. Laughing
Good news is i found my micro crystal that got lost at the start of last event. Scary thing is it was in yamum... meaning it was in it during every fight including getting completly smashed around in the rumble, and it somehow still works!? Shocked
Smile Prepare for frequent flier pointz! Cool
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Post Mon Sep 24, 2007 10:57 am 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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how did it manage to get in ya mum in the first place Confused
suprisingly its underweight by about 30g and support are pretty solid as is but atm there is nothing that i know of that hits from the side so itll be alright for now.
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Barton Robotics Youtube Channel:
https://www.youtube.com/user/dyl30

Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Mon Sep 24, 2007 4:12 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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well was bored a few days ago and decided to change beetle, couldnt be bother remaking the frame or weapon supports so i just used what every the vertical spinner had and turned it into a horizontal spinner, had a problem running a belt as the weapon kept hitting the motor and bending the shaft so i decided to try a geared weapon setup, dunno how itll last but seems to work so ill leave it as is.

and with the other little robots, helix is going to get a brushless upgrade to bring down some weight and get a solid shaft this time so the shaft dont bend, goodbye threaded rod forever.
and the little undercutter is working just need to get a new esc for it but dont know if ill run it anymore as im going to make a antweight lifter something different from all the spinning weaponed robots i have



this will be the last robot that im gonna make for a long time as i have no money left and i have my school certificate this year so gotta concentrate on school.
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Barton Robotics Youtube Channel:
https://www.youtube.com/user/dyl30

Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Mon Jan 14, 2008 4:49 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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well i finally got some parts for that little lifter so i can start building very soon

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Barton Robotics Youtube Channel:
https://www.youtube.com/user/dyl30

Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Mon Apr 28, 2008 4:36 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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thought id post up a picture of an antweight that im am building,
i got the frame made with a 3d printer looks pretty funky



it will look like this:

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Barton Robotics Youtube Channel:
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Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Sat Jun 14, 2008 10:12 pm 
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Valen
Experienced Roboteer


Joined: 07 Jul 2004
Posts: 4436
Location: Sydney


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hardcore
tell us more?
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Post Sun Jun 15, 2008 12:32 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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well i was talking with a friend and he said that his dad had a 3d printer, so i just sent him a cad of the design and he made it up that night, the materials cost me 25 bucks and i think the frame is made from abs so not sure on the strength of it but its worth a try,
the frame weighs about 50g so leaves me 100g for internals and a weapon, but i did some calculations and im nearly right on the limit WITHOUT the weapon so may have to wreck the neat frame with some holes,
also gotta find some light strong material to make the weapon out of maybe some polycarb with steel tips or something,
though an interesting thing when his dad put my cad through some program to detect design issues it failed to find any i was pretty pleased with that Smile

i should have it driving tomorrow night when i pick the frame up from my friend at school but the weapon wont be going until my brushless esc arrives in the mail
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Barton Robotics Youtube Channel:
https://www.youtube.com/user/dyl30

Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Sun Jun 15, 2008 3:22 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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got the frame, put all the electronics in everything fits well for a change, just need the esc and to make a proper weapon, looking at maybe some 2mm titanium which should do the job, question is where to find some for a reasonable price

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Barton Robotics Youtube Channel:
https://www.youtube.com/user/dyl30

Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Tue Jun 17, 2008 8:26 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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my fleaweight is pretty much finished just need to make the proper weapon for it.
picture:

Video:
http://www.youtube.com/watch?v=HRRJc7v_CWc
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Barton Robotics Youtube Channel:
https://www.youtube.com/user/dyl30

Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Sun Jun 29, 2008 1:38 pm 
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dyrodium
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Joined: 24 Aug 2004
Posts: 6476
Location: Sydney


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Drives look bent? Laughing
A hardcore mini undercutter though it is indeed... hope my drum is up to scratch. Very Happy
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Post Sun Jun 29, 2008 6:13 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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yeh that sorta happened when the weapon smashed into the mounts, bit of glue and itll be fine
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https://www.youtube.com/user/dyl30

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https://www.facebook.com/BartonRobotics

Post Sun Jun 29, 2008 6:20 pm 
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Nick
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Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW


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That design looks familiar - perhaps I can find some Ti for the blade.

Did you find out what the frame would have cost if it was a full-charge job? If the cost was reasonable, you could get a mold printed and make the frame out of a stronger material like Urethane. You could also get it made so stronger material (like carbon fibre) could be laminated into the frame; there are some very interesting possibilities.
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Post Sun Jun 29, 2008 8:26 pm 
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Dylon



Joined: 09 Nov 2006
Posts: 631
Location: Newcastle, NSW


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the frame cost $25 but its not solid which is why its not very strong but is very light,
its hollow made in criss cross layers, found that out when i went to drill in it lol,
not sure if the people i got it made from use anything other then abs but i suppose i could ask but a rough idea between the prices of solid and hollow are 2 pairs of drive mounts for drill motors about 60mm x 60mm and 20mm thick cost $34 hollow and $68 solid so not as cheap as i would like.
in regards to the weapon i have been looking around for some thin Ti but to get it shipped from the US is a bit too much for my liking for now i was going to try a stainless weapon
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Barton Robotics Youtube Channel:
https://www.youtube.com/user/dyl30

Barton Robotics Facebook Page:
https://www.facebook.com/BartonRobotics

Post Sun Jun 29, 2008 9:10 pm 
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Knightrous
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Joined: 15 Jun 2004
Posts: 8511
Location: NSW


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If your looking for a cheap weapon blade, have a look out at the local super market for a stainless steel ruler. They are 1mm thick, cheap and tough.
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Post Sun Jun 29, 2008 9:31 pm 
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Nick
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Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW


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I have heaps of Ti off-cuts that are too small to use in other bots - even cheaper than a ruler Smile

$68 for drill motor mounts is a lot more than you could make them for in UMHW, but for tiny ant sized frames 3D printing seems pretty reasonable.
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Post Sun Jun 29, 2008 9:49 pm 
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